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gahniteG'AHNITE, n. [from Gahn, the discoverer.] A mineral, called also automalite and octahedral corundum. It is always crystallized in regular octahedrons, or in tetrahedrons with truncated angles. |
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gahniteG'AHNITE, n. [from Gahn, the discoverer.] A mineral, called also automalite and octahedral corundum. It is always crystallized in regular octahedrons, or in tetrahedrons with truncated angles. |